Toward the end of 1791 Mozart wrote his famous concerto for basset clarinet and orchestra, known today as the Clarinet Concerto, K.622. It appeared in print for the first time ten years later, when it was published simultaneously by Breitkopf Härtel , André and Sieber .

In the same year Breitkopf also published an arrangement for flute in G major by A. E. Müller , adding to the rich musical history of the early 19th century. This arrangement is now available for the first time in a modern cri...